Example usage for java.io DataOutputStream DataOutputStream

Introduction

In this page you can find the example usage for java.io DataOutputStream DataOutputStream.

Prototype

public DataOutputStream(OutputStream out) 

Source Link

Document

Creates a new data output stream to write data to the specified underlying output stream.

Usage

From source file:com.mopaas_mobile.http.BaseHttpRequester.java

public static String doPOST(String urlstr, List<BasicNameValuePair> params) throws IOException {
    String result = null;//from   www .j  a va2 s  .co  m
    URL url = new URL(urlstr);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoOutput(true);
    connection.setDoInput(true);
    connection.setRequestMethod("POST");
    connection.setUseCaches(false);
    connection.setInstanceFollowRedirects(false);
    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    //       connection.setRequestProperty("token",token);
    connection.setConnectTimeout(30000);
    connection.setReadTimeout(30000);
    connection.connect();

    DataOutputStream out = new DataOutputStream(connection.getOutputStream());

    String content = "";
    if (params != null && params.size() > 0) {
        for (int i = 0; i < params.size(); i++) {
            content = content + "&" + URLEncoder.encode(((NameValuePair) params.get(i)).getName(), "UTF-8")
                    + "=" + URLEncoder.encode(((NameValuePair) params.get(i)).getValue(), "UTF-8");
        }
        out.writeBytes(content.substring(1));
    }

    out.flush();
    out.close();
    InputStream is = connection.getInputStream();
    BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));

    StringBuffer b = new StringBuffer();
    int ch;
    while ((ch = br.read()) != -1) {
        b.append((char) ch);
    }
    result = b.toString().trim();
    connection.disconnect();
    return result;
}

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From source file:TimeComputation.java

public void run() throws IOException {

    DataOutputStream n = new DataOutputStream(new BufferedOutputStream(new FileOutputStream("java2s")));
    long t0, t1;/*  ww  w  .  j  a  v  a  2s .c  o m*/
    System.out.println("Java Starts at " + (t0 = System.currentTimeMillis()));
    double k;
    for (int i = 0; i < 100000; i++) {
        k = 2.1 * Math.sqrt((double) i);
        n.writeDouble(k);
    }
    System.out.println("Java Ends at " + (t1 = System.currentTimeMillis()));
    double deltaT = t1 - t0;
    System.out.println("This run took " + DecimalFormat.getInstance().format(deltaT / 1000.) + " seconds.");
}

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From source file:com.zf.util.Post_NetNew.java

/**
 * ?//from  w ww. ja v a2s  .com
 * 
 * @param pams
 * @param ip
 * @param port
 * @return
 * @throws Exception
 */
public static String pn(Map<String, String> pams, String ip, int port) throws Exception {
    if (null == pams) {
        return "";
    }
    InetSocketAddress addr = new InetSocketAddress(ip, port);
    Proxy proxy = new Proxy(Type.HTTP, addr);
    String strtmp = "url";
    URL url = new URL(pams.get(strtmp));
    pams.remove(strtmp);
    strtmp = "body";
    String body = pams.get(strtmp);
    pams.remove(strtmp);
    strtmp = "POST";
    if (StringUtils.isEmpty(body))
        strtmp = "GET";
    HttpURLConnection httpConn = (HttpURLConnection) url.openConnection(proxy);
    httpConn.setConnectTimeout(30000);
    httpConn.setReadTimeout(30000);
    httpConn.setUseCaches(false);
    httpConn.setRequestMethod(strtmp);
    for (String pam : pams.keySet()) {
        httpConn.setRequestProperty(pam, pams.get(pam));
    }
    if ("POST".equals(strtmp)) {
        httpConn.setDoOutput(true);
        httpConn.setDoInput(true);
        DataOutputStream dos = new DataOutputStream(httpConn.getOutputStream());
        dos.writeBytes(body);
        dos.flush();
    }
    int resultCode = httpConn.getResponseCode();
    StringBuilder sb = new StringBuilder();
    sb.append(resultCode).append("\n");
    String readLine;
    InputStream stream;
    try {
        stream = httpConn.getInputStream();
    } catch (Exception ignored) {
        stream = httpConn.getErrorStream();
    }
    try {
        BufferedReader responseReader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
        while ((readLine = responseReader.readLine()) != null) {
            sb.append(readLine).append("\n");
        }
    } catch (Exception ignored) {
    }

    return sb.toString();
}

---

From source file:net.sourceforge.fenixedu.presentationTier.Action.publico.FileDownload.java

@Override
public ActionForward execute(final ActionMapping mapping, final ActionForm actionForm,
        final HttpServletRequest request, final HttpServletResponse response) throws Exception {
    final String oid = request.getParameter("oid");
    final File file = FenixFramework.getDomainObject(oid);
    if (file == null) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_BAD_REQUEST));
        response.getWriter().close();/*from w w w .ja  v a  2 s  . c  om*/
    } else {
        final Person person = AccessControl.getPerson();
        if (!file.isPrivate() || file.isPersonAllowedToAccess(person)) {
            response.setContentType(file.getContentType());
            response.addHeader("Content-Disposition", "attachment; filename=" + file.getFilename());
            response.setContentLength(file.getSize().intValue());
            final DataOutputStream dos = new DataOutputStream(response.getOutputStream());
            dos.write(file.getContents());
            dos.close();
        } else if (file.isPrivate() && person == null) {
            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
            response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_UNAUTHORIZED));
            response.getWriter().close();
        } else {
            response.setStatus(HttpServletResponse.SC_FORBIDDEN);
            response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_FORBIDDEN));
            response.getWriter().close();
        }
    }
    return null;
}

---

From source file:com.rabbitmq.client.impl.SocketFrameHandler.java

/**
 * @param socket the socket to use//from  w  w  w.  j av  a 2s. c o m
 */
public SocketFrameHandler(Socket socket) throws IOException {
    _socket = socket;

    _inputStream = new DataInputStream(new BufferedInputStream(socket.getInputStream()));
    _outputStream = new DataOutputStream(new BufferedOutputStream(socket.getOutputStream()));

    this.socketFrameHandler = this;
}

---

From source file:ja.lingo.engine.searchindex.NodeSerializer.java

public void close() throws IOException {
    tempDos.close();//from   ww  w  . j av  a  2 s  .  c  o  m

    LOG.info("calculateSize(...) spent " + timeMeasurer);

    long size = Files.length(tempFileName);
    if (size > Integer.MAX_VALUE) {
        States.doThrow("File is \"" + fileName + "\"to large. Maximum allowed size is " + Integer.MAX_VALUE
                + ". Actual size is " + size);
    }

    FileOutputStream fos = new FileOutputStream(fileName);

    DataOutputStream dos = new DataOutputStream(fos);
    serializeNodeHeader(dos, (int) size, firstLevelNodesCount, '\u0000', 0);
    dos.flush();

    EngineFiles.appendFileAndDelete(tempFileName, fos);
    fos.close();
}

---

From source file:com.acc.util.InstagramClient.java

public String getProfilePicOfUser(final String code) {

    String profilePic = null;/*from   ww w.j  a  v  a2 s .co  m*/
    //      final String inputJson = "client_id=e580d04d0687403189f86d49545b69a4&client_secret=a2943297f601402d894f8d21400bdfd5&grant_type=authorization_code&redirect_uri=http://electronics.local:9001/yacceleratorstorefront/electronics/en/facerecognitionpage&code="
    //            + code;

    //String inputJson1 = "{\"Identities\": [{\"Score\": \"99.99986\",\"IdentityDetails\": {\"BiographicData\": [{\"Key\": \"Name\",\"Value\": \"Ravi\"},{\"Key\": \"ID\",\"Value\": \"DRIVING_LICENSE_ID\"}],\"BiometricDatas\": [{\"Base64Data\": \"/9j/4AAQSkZJ\",\"Modality\": \"Face_Face2D\",\"Type\": \"Image\"}],\"IdentityId\": \"BiometricDev[1:S:58840];\"}}],\"InWatchList\": false}";
    //      System.out.println(inputJson);

    // Make Web Service Call

    //      final Client client = ClientBuilder.newClient();
    //      final String instagramOutputJson = client.target("https://api.instagram.com/oauth/access_token").request()
    //            .method("POST", Entity.entity(inputJson, MediaType.APPLICATION_JSON), String.class);

    try {
        final URL url = new URL("https://api.instagram.com/oauth/access_token");
        final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setRequestMethod("POST");
        final String urlParameters = "client_id=e580d04d0687403189f86d49545b69a4"
                + "&client_secret=a2943297f601402d894f8d21400bdfd5" + "&grant_type=authorization_code"
                + "&redirect_uri=http://electronics.local:9001/yacceleratorstorefront/electronics/en/facerecognitionpage"
                + "&code=" + code;

        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        connection.setRequestProperty("charset", "utf-8");
        connection.setRequestProperty("Content-Length", "" + Integer.toString(urlParameters.getBytes().length));
        final DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        final BufferedReader rd = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        final StringBuffer result = new StringBuffer();
        String line = "";
        while ((line = rd.readLine()) != null) {
            result.append(line);
        }
        System.out.println(result.toString());
        System.out.println("Output Json from Instagram is " + result);
        profilePic = processJson(result.toString());
    } catch (final MalformedURLException e) {
        // YTODO Auto-generated catch block
        e.printStackTrace();
    } catch (final IOException e) {
        // YTODO Auto-generated catch block
        e.printStackTrace();
    }
    return profilePic;

}

---

From source file:eu.stratosphere.pact.runtime.task.util.SerializationCopier.java

/**
 * Creates a SerializationCopier with an byte array of specified size.
 * /*from  w w  w.ja  va2  s.c o m*/
 * @param initialCopySize
 *        Initial size of the byte array that stores the serialized copy.
 */
public SerializationCopier(int initialCopySize) {
    serializedCopy = new byte[initialCopySize];
    baos = new ByteArrayOutputStream();
    dos = new DataOutputStream(baos);
    bais = new ByteArrayInputStream(serializedCopy);
    dis = new DataInputStream(bais);
}

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From source file:com.lightboxtechnologies.spectrum.FsEntryHBaseInputFormat.java

static String convertScanToString(Scan scan) throws IOException {
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    DataOutputStream dos = null;/*from   w ww  .  j a  v a 2  s .  co  m*/
    try {
        dos = new DataOutputStream(out);
        scan.write(dos);
        dos.close();
        return Base64.encodeBytes(out.toByteArray());
    } finally {
        IOUtils.closeQuietly(dos);
    }
}

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From source file:com.igormaznitsa.jhexed.values.HexSVGImageValue.java

@Override
public void write(final OutputStream out) throws IOException {
    out.write(TYPE_SVGIMAGE);/*from   ww w. jav  a  2s . c  o m*/
    super.write(out);

    final ByteArrayOutputStream imageDataBuffer = new ByteArrayOutputStream(4096);
    this.image.write(imageDataBuffer, true);
    final byte[] imageData = imageDataBuffer.toByteArray();

    final DataOutputStream dout = out instanceof DataOutputStream ? (DataOutputStream) out
            : new DataOutputStream(out);
    dout.writeInt(imageData.length);
    dout.write(imageData);
}

---

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